21005952
21,005,952 is an even composite number composed of four prime numbers multiplied together.
21005952 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21005952:
27 × 3 × 11 × 4973
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 11 × 4973)See below for interesting mathematical facts about the number 21005952 from the Numbermatics database.
Names of 21005952
- Cardinal: 21005952 can be written as Twenty-one million, five thousand, nine hundred fifty-two.
Scientific notation
- Scientific notation: 2.1005952 × 107
Factors of 21005952
Divisors of 21005952
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 264 352 384 528 704 1056 1408 2112 4224 4973 9946 14919 19892 29838 39784 54703 59676 79568 109406 119352 159136 164109 218812 238704 318272 328218 437624 477408 636544 656436 875248 954816 1312872 1750496 1909632 2625744 3500992 5251488 7001984 10502976 21005952
- Sum of all divisors σ(n): 60881760
- Sum of proper divisors (its aliquot sum) s(n): 39875808
- 21005952 is an abundant number, because the sum of its proper divisors (39875808) is greater than itself. Its abundance is 18869856
Bases of 21005952
- Binary: 10100000010000110100000002
- Hexadecimal: 0x1408680
- Base-36: CI8AO
Squares and roots of 21005952
- 21005952 squared (210059522) is 441250019426304
- 21005952 cubed (210059523) is 9268876728068009361408
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The
square root of 21005952 is 4583.2250653879 -
The
cube root of 21005952 is 275.9184804405
Scales and comparisons
How big is 21005952?- 21,005,952 seconds is equal to 34 weeks, 5 days, 2 hours, 59 minutes, 12 seconds.
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To count from 1 to 21,005,952 would take you about sixteen hours!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 21005952 cubic inches would be around 23 feet tall.
Recreational maths with 21005952
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The information we have on file for 21005952 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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